Polymarket Traders Put 62% Odds on Next Mythos Model Landing by September 2

Polymarket · x · 2026-09-01

Polymarket's market on when Anthropic ships its next Mythos-class model shows a 62% chance of release by September 2, rising to 76% by September 4, 83% by September 9, and 92% by end of month. The market has seen $928K in total volume; the August 31 bucket alone traded $375K at just 1% odds.

Context: Anthropic released the Mythos-class Claude Fable 5 on June 9, 2026. Resolution requires the model to be publicly accessible, including open beta or open waitlist signups.

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